cattle egret

Introduces young readers to both egrets and hippos, describing how the two species help each other.

Examines the idea of "mutualism" in biology, where two or more animals exist in a team-like relationship, specifically the cattle egret and the hippopotamus, who keep a look out for one another to warn of approaching predators. Includes a glossary, resources for further information, and color photographs.

A cattle egret, told that time will take care of his problem, goes in search of time.

Describes what limited information is known about the habits of the enigmatic cattle egret which has migrated to every continent from its native Africa.

Amos the hippopotamus takes his tick bird, Amoeba, and her family on what he hopes will be a fun vacation, but he finds himself competing with Amoeba's imaginary friend.

Amos the hippopotamus advertises for a bird to help him with his bug problem, but the tick bird who answers his ad creates a different set of problems for Amos by building a nest on his head.

When Amos the hippopotamus advertises for a bird to help him with his bug problem, the tick bird who answers his ad creates a different set of problems for him by building a nest on Amos's head.